<template>
  <div class="app-container">
    <el-card class="filter-container" shadow="never">
      <div>
        <i class="el-icon-search"></i>
        <span>筛选搜索</span>
        <el-button style="float:right" type="primary" @click="handleSearchList()" size="small">
          查询搜索
        </el-button>
        <el-button style="float:right;margin-right: 15px" @click="handleResetSearch()" size="small">
          重置
        </el-button>
      </div>
      <div style="margin-top: 15px">
        <el-form :inline="true" :model="listQuery" size="small" label-width="140px">
          <el-form-item label="输入搜索：">
            <el-input v-model="listQuery.keyword" class="input-width" placeholder="角色名称" clearable></el-input>
          </el-form-item>
        </el-form>
      </div>
    </el-card>

    <el-card class="operate-container" shadow="never">
      <i class="el-icon-tickets"></i>
      <span>数据列表</span>
      <el-button size="mini" class="btn-add" @click="handleAdd()" style="margin-left: 20px">添加</el-button>
    </el-card>

    <div class="table-container">
      <el-table ref="roleTable" :data="list" style="width: 100%;" v-loading="listLoading" border>
        <el-table-column label="编号" width="100" align="center">
          <template slot-scope="scope">{{ scope.row.id }}</template>
        </el-table-column>
        <el-table-column label="角色名称" align="center">
          <template slot-scope="scope">{{ scope.row.name }}</template>
        </el-table-column>
        <el-table-column label="描述" align="center">
          <template slot-scope="scope">{{ scope.row.description }}</template>
        </el-table-column>
        <el-table-column label="用户数" width="100" align="center">
          <template slot-scope="scope">{{ scope.row.adminCount }}</template>
        </el-table-column>
        <el-table-column label="添加时间" width="160" align="center">
          <template slot-scope="scope">{{ scope.row.createTime | formatDateTime }}</template>
        </el-table-column>
        <el-table-column label="是否启用" width="140" align="center">
          <template slot-scope="scope">
            <el-switch @change="handleStatusChange(scope.$index, scope.row)" :active-value="1" :inactive-value="0"
              v-model="scope.row.status">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="250" align="center">
          <template slot-scope="scope">
            <el-row>
              <el-button size="mini" type="text" @click="handleSelectMenu(scope.$index, scope.row.id)">分配菜单
              </el-button>
              <el-button size="mini" type="text" @click="handleSelectResource(scope.$index, scope.row.id)">分配资源
              </el-button>
              <el-button size="mini" type="text" @click="handleUpdate(scope.$index, scope.row)">
                编辑
              </el-button>
              <el-button size="mini" type="text" @click="handleDelete(scope.$index, scope.row)">删除
              </el-button>
            </el-row>
          </template>
        </el-table-column>
      </el-table>
    </div>

    <div class="pagination-container">
      <el-pagination background @size-change="handleSizeChange" @current-change="handleCurrentChange"
        layout="total, sizes,prev, pager, next,jumper" :current-page.sync="listQuery.pageNum"
        :page-size="listQuery.pageSize" :page-sizes="[10, 20, 50, 100]" :total="total">
      </el-pagination>
    </div>

    <el-dialog :title="isEdit ? '编辑角色' : '添加角色'" :visible.sync="dialogVisible" width="40%">
      <el-form :model="role" ref="roleForm" :rules="rules" label-width="100px" size="small">
        <el-form-item label="角色名称：" prop="name">
          <el-input v-model="role.name"></el-input>
        </el-form-item>
        <el-form-item label="角色描述：" prop="description">
          <el-input v-model="role.description" type="textarea" :rows="5"></el-input>
        </el-form-item>
        <el-form-item label="是否启用：">
          <el-radio-group v-model="role.status">
            <el-radio :label="1">是</el-radio>
            <el-radio :label="0">否</el-radio>
          </el-radio-group>
        </el-form-item>
      </el-form>
      <span slot="footer" class="dialog-footer">
        <el-button type="primary" @click="handleDialogConfirm()" size="small">确 定</el-button>
        <el-button @click="dialogVisible = false" size="small">取 消</el-button> 
      </span>
    </el-dialog>

    <alloc-menu v-if="allocMenuVisible" ref="allocMenuAddOrUpdate" @refreshDataList="getList"></alloc-menu>
    <alloc-resource v-if="allocResourceVisible" ref="allocResourceAddOrUpdate" @refreshDataList="getList"></alloc-resource>

  </div>
</template>
<script>
import { fetchList, createRole, updateRole, updateStatus, deleteRole } from '@/api/sys/role';
import AllocMenu from './allocMenu';
import AllocResource from './allocResource'
import { formatDate } from '@/utils/date';

const defaultListQuery = {
  pageNum: 1,
  pageSize: 10,
  keyword: null
};
const defaultRole = {
  id: null,
  name: null,
  description: null,
  adminCount: 0,
  status: 1
};
export default {
  name: 'roleList',
  data() {
    return {
      rules: {
        name: [
          { required: true, message: '请输入角色名称', trigger: 'blur' },
          { min: 2, max: 10, message: '长度在 2 到 10 个字符', trigger: 'blur' }
        ],
        description: [
          { required: true, message: '请输入角色描述', trigger: 'blur' },
          { min: 2, max: 140, message: '长度在 2 到 140 个字符', trigger: 'blur' }
        ]
      },
      listQuery: Object.assign({}, defaultListQuery),
      list: null,
      total: null,
      listLoading: false,
      dialogVisible: false,
      role: Object.assign({}, defaultRole),
      isEdit: false,
      allocMenuVisible: false,
      allocResourceVisible: false,
    }
  },
  components: {
    AllocMenu,
    AllocResource,
  },
  created() {
    this.getList();
  },
  filters: {
    formatDateTime(time) {
      if (time == null || time === '') {
        return 'N/A';
      }
      let date = new Date(time);
      return formatDate(date, 'yyyy-MM-dd hh:mm:ss')
    }
  },
  methods: {
    handleResetSearch() {
      this.listQuery = Object.assign({}, defaultListQuery);
    },
    handleSearchList() {
      this.listQuery.pageNum = 1;
      this.getList();
    },
    handleSizeChange(val) {
      this.listQuery.pageNum = 1;
      this.listQuery.pageSize = val;
      this.getList();
    },
    handleCurrentChange(val) {
      this.listQuery.pageNum = val;
      this.getList();
    },
    handleAdd() {
      this.$nextTick(() => {
        if (this.$refs['roleForm'] !== undefined) {
          this.$refs['roleForm'].resetFields()
        }
      })
      this.dialogVisible = true;
      this.isEdit = false;
      this.role = Object.assign({}, defaultRole);
    },
    handleStatusChange(index, row) {
      this.$confirm('是否要修改该状态?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        updateStatus(row.id, { status: row.status }).then(response => {
          this.$message({
            type: 'success',
            message: '修改成功!'
          });
        });
      }).catch(() => {
        this.$message({
          type: 'info',
          message: '取消修改'
        });
        this.getList();
      });
    },
    handleDelete(index, row) {
      this.$confirm('是否要删除该角色?', '提示', {
        cancelButtonText: '取消',
        confirmButtonText: '确定',
        type: 'warning'
      }).then(() => {
        let ids = [];
        ids.push(row.id);
        let params = new URLSearchParams();
        params.append("ids", ids);
        deleteRole(params).then(response => {
          this.$message({
            type: 'success',
            message: '删除成功!'
          });
          this.getList();
        });
      });
    },
    handleUpdate(index, row) {
      this.$nextTick(() => {
        if (this.$refs['roleForm'] !== undefined) {
          this.$refs['roleForm'].resetFields()
        }
      })
      this.dialogVisible = true;
      this.isEdit = true;
      this.role = Object.assign({}, row);
    },
    handleDialogConfirm() {
      this.$refs['roleForm'].validate((valid) => {
        if (valid) {
          if (this.isEdit) {
            updateRole(this.role.id, this.role).then(response => {
              this.$message({
                message: '修改成功！',
                type: 'success'
              });
              this.dialogVisible = false;
              this.getList();
            })
          } else {
            createRole(this.role).then(response => {
              this.$message({
                message: '添加成功！',
                type: 'success'
              });
              this.dialogVisible = false;
              this.getList();
            })
          }
        }
      })
    },
    getList() {
      this.listLoading = true;
      fetchList(this.listQuery).then(response => {
        this.listLoading = false;
        this.list = response.data.list;
        this.total = response.data.total;
      });
    },
    // 分配菜单
    handleSelectMenu(index, id) {
      this.allocMenuVisible = true
      this.$nextTick(() => {
        this.$refs.allocMenuAddOrUpdate.init(id)
      })
    },
    // 分配资源
    handleSelectResource(index, id) {
      this.allocResourceVisible = true
      this.$nextTick(() => {
        this.$refs.allocResourceAddOrUpdate.init(id)
      })
    },
  }
}
</script>
<style></style>


